Guide to IBM PowerHA SystemMirror for AIX Version 7.1.3

Dynamic host name change (host name takeover)

This chapter describes the dynamic host name change support in the cluster. It includes the following topics:

•Why changing the host name might be necessary

•Choosing the dynamic host name change type

•Changing the host name

•Initial setup and configuration

•Temporary host name change

•Permanent host name change

•Changing the host name in earlier PowerHA 7.1 versions

•Migrating a host name takeover environment

•PowerHA hostname change script

10.1 Why changing the host name might be necessary

In most ...